How much work was done if the power developed during Esuke’s descent was 501.3 W?

Question

Reginald Esuke from Cameroon ran over 4 km down a mountain slope in just 58.51 min. How much work was done if the power developed during Esuke’s descent was 501.3 W?

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Answer 1 · 2018-04-07T01:59:45

#"1.760 mega joule"#

#"Power" = "Work"/"Time"#

#"Work" = "501.3 Watt" × 58.51 cancel"min" × "60 s"/(1 cancel"min") = "1759563 Joule" ≈ color(blue)"1.760 MJ"#

#underline("Note:")\ "Watt" = "Joule"/"s"#